Source : Webster's Revised Unabridged Dictionary (1913)

Gallantly \Gal*lant"ly\, adv.
   In a polite or courtly manner; like a gallant or wooer.

Gallantly \Gal"lant*ly\, adv.
   In a gallant manner.

Source : WordNet®

gallantly
     adv : in a gallant manner; "he gallantly offered to take her home"
           [syn: {chivalrously}] [ant: {unchivalrously}]